DE602006020092D1 - An/Ausschaltung der Verifikation der Antennen bei Übertragungs-Diversity mit geschlossener Schleife Mode 1 - Google Patents

An/Ausschaltung der Verifikation der Antennen bei Übertragungs-Diversity mit geschlossener Schleife Mode 1

Info

Publication number
DE602006020092D1
DE602006020092D1 DE602006020092T DE602006020092T DE602006020092D1 DE 602006020092 D1 DE602006020092 D1 DE 602006020092D1 DE 602006020092 T DE602006020092 T DE 602006020092T DE 602006020092 T DE602006020092 T DE 602006020092T DE 602006020092 D1 DE602006020092 D1 DE 602006020092D1
Authority
DE
Germany
Prior art keywords
antennas
enabling
closed loop
transmission diversity
loop transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DE602006020092T
Other languages
English (en)
Inventor
Hiroyuki Ishii
Takuya Sato
Hidehiro Ando
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Docomo Inc
Original Assignee
NTT Docomo Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Publication of DE602006020092D1 publication Critical patent/DE602006020092D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0652—Feedback error handling
    • H04B7/0654—Feedback error handling at the receiver, e.g. antenna verification at mobile station

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
DE602006020092T 2005-08-09 2006-07-13 An/Ausschaltung der Verifikation der Antennen bei Übertragungs-Diversity mit geschlossener Schleife Mode 1 Active DE602006020092D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005230973A JP4594822B2 (ja) 2005-08-09 2005-08-09 受信装置、移動通信システムにおける通信制御方法

Publications (1)

Publication Number Publication Date
DE602006020092D1 true DE602006020092D1 (de) 2011-03-31

Family

ID=37076208

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006020092T Active DE602006020092D1 (de) 2005-08-09 2006-07-13 An/Ausschaltung der Verifikation der Antennen bei Übertragungs-Diversity mit geschlossener Schleife Mode 1

Country Status (5)

Country Link
US (2) US7920639B2 (de)
EP (1) EP1753152B1 (de)
JP (1) JP4594822B2 (de)
CN (1) CN100586040C (de)
DE (1) DE602006020092D1 (de)

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US8275082B2 (en) * 2006-12-01 2012-09-25 Broadcom Corporation Method and system for delay locked loop for rake receiver
JP4893749B2 (ja) * 2006-12-15 2012-03-07 富士通株式会社 移動局及び移動局におけるアンテナベリフィケーション制御方法
US8036603B2 (en) * 2007-03-15 2011-10-11 Magnolia Broadband Inc. Method, apparatus and system for providing feedback to a transmit diversity device
KR101409115B1 (ko) * 2007-06-08 2014-06-17 엘지전자 주식회사 다중 안테나 시스템에서 가중치 정보 전송 방법
JP4877197B2 (ja) * 2007-11-02 2012-02-15 日本電気株式会社 無線ダイバーシティ受信装置および受信方法
US8830918B2 (en) * 2009-03-16 2014-09-09 Interdigital Patent Holdings, Inc. Method and apparatus for performing uplink transmit diversity
US20100238984A1 (en) * 2009-03-19 2010-09-23 Motorola, Inc. Spatial Information Feedback in Wireless Communication Systems
US8244317B2 (en) 2009-06-08 2012-08-14 Motorola Mobility Llc Indicator shelf for portable electronic device
US9002354B2 (en) 2009-06-12 2015-04-07 Google Technology Holdings, LLC Interference control, SINR optimization and signaling enhancements to improve the performance of OTDOA measurements
US8873650B2 (en) 2009-10-12 2014-10-28 Motorola Mobility Llc Configurable spatial channel information feedback in wireless communication system
US8509338B2 (en) 2010-05-05 2013-08-13 Motorola Mobility Llc Method and precoder information feedback in multi-antenna wireless communication systems
US9203489B2 (en) 2010-05-05 2015-12-01 Google Technology Holdings LLC Method and precoder information feedback in multi-antenna wireless communication systems
US8537658B2 (en) 2010-08-16 2013-09-17 Motorola Mobility Llc Method of codebook design and precoder feedback in wireless communication systems
US8848846B2 (en) * 2010-12-14 2014-09-30 Intel Mobile Communications GmbH Receiver
US9813262B2 (en) 2012-12-03 2017-11-07 Google Technology Holdings LLC Method and apparatus for selectively transmitting data using spatial diversity
US9591508B2 (en) 2012-12-20 2017-03-07 Google Technology Holdings LLC Methods and apparatus for transmitting data between different peer-to-peer communication groups
US9979531B2 (en) 2013-01-03 2018-05-22 Google Technology Holdings LLC Method and apparatus for tuning a communication device for multi band operation
US10229697B2 (en) 2013-03-12 2019-03-12 Google Technology Holdings LLC Apparatus and method for beamforming to obtain voice and noise signals
US9386542B2 (en) 2013-09-19 2016-07-05 Google Technology Holdings, LLC Method and apparatus for estimating transmit power of a wireless device
US9549290B2 (en) 2013-12-19 2017-01-17 Google Technology Holdings LLC Method and apparatus for determining direction information for a wireless device
US9491007B2 (en) 2014-04-28 2016-11-08 Google Technology Holdings LLC Apparatus and method for antenna matching
US9478847B2 (en) 2014-06-02 2016-10-25 Google Technology Holdings LLC Antenna system and method of assembly for a wearable electronic device

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US6831943B1 (en) * 1999-08-13 2004-12-14 Texas Instruments Incorporated Code division multiple access wireless system with closed loop mode using ninety degree phase rotation and beamformer verification
FI107671B (fi) 1999-10-08 2001-09-14 Nokia Mobile Phones Ltd Menetelmä ja järjestely diversiteettikertoimien muutosten ajoittamiseksi solukkoradiojärjestelmässä
JP2001333002A (ja) * 2000-05-24 2001-11-30 Ntt Docomo Inc 移動通信システムにおける送信アンテナウェイト推定方法および移動通信端末
US6839326B1 (en) * 2000-09-26 2005-01-04 Nokia Corporation Antenna phase estimation algorithm for WCDMA closed loop transmitter antenna diversity system
JP3543770B2 (ja) * 2001-02-20 2004-07-21 日本電気株式会社 移動通信システム、移動端末及びそれらに用いる送信ダイバーシチ適用方法並びにそのプログラム
DE10123611A1 (de) * 2001-05-15 2002-11-21 Siemens Ag Verfahren zum Betreiben eines zellularen Funk-Kommunikationsystems und Stationen dafür
US7499709B2 (en) * 2002-02-07 2009-03-03 Alcatel-Lucent Usa Inc. Method and apparatus for closed loop transmit diversity in a wireless communications system
JP2003298762A (ja) * 2002-03-29 2003-10-17 Kyocera Corp 移動通信端末
US6763911B2 (en) * 2002-06-20 2004-07-20 Leon A. Burch Emergency evacuation system for a staircase
US6922560B1 (en) * 2002-08-20 2005-07-26 National Semiconductor Corporation Method and system for antenna verification for closed loop transmit diversity
JP4192572B2 (ja) * 2002-11-27 2008-12-10 日本電気株式会社 携帯情報端末
JP2004208200A (ja) 2002-12-26 2004-07-22 Matsushita Electric Ind Co Ltd 無線受信装置およびアンテナベリフィケーション方法
US7412011B2 (en) * 2003-08-29 2008-08-12 Texas Instruments Incorporated Joint ratio estimation and weights detection in closed loop transmit diversity
DE10351051A1 (de) * 2003-10-31 2005-06-09 Infineon Technologies Ag Vertifikation der Antennengewichte der Basisstation in einem UMTS-Mobilfunkempfänger durch Verwendung des Viterbi-Algorithmus bei der rückgekoppelten Sendediversität
JP2005348182A (ja) 2004-06-03 2005-12-15 Matsushita Electric Ind Co Ltd Ｃｄｍａ受信装置及びｃｄｍａ受信方法
JP4526883B2 (ja) * 2004-06-28 2010-08-18 株式会社エヌ・ティ・ティ・ドコモ 複数アンテナを使用する送受信機および送受信方法
US7319868B2 (en) * 2004-09-27 2008-01-15 Telefonktiebolaget Lm Ericsson (Publ) Derivation of optimal antenna weights during soft handover
JP4751724B2 (ja) * 2005-01-13 2011-08-17 株式会社エヌ・ティ・ティ・ドコモ 移動局装置及び移動局装置の制御方法
JP4614798B2 (ja) * 2005-03-16 2011-01-19 富士通株式会社 移動局および重み付け制御方法

Also Published As

Publication number Publication date
US7920639B2 (en) 2011-04-05
EP1753152A1 (de) 2007-02-14
JP2007049366A (ja) 2007-02-22
CN100586040C (zh) 2010-01-27
EP1753152B1 (de) 2011-02-16
CN1913388A (zh) 2007-02-14
US20100151812A1 (en) 2010-06-17
JP4594822B2 (ja) 2010-12-08
US8077794B2 (en) 2011-12-13
US20070036204A1 (en) 2007-02-15

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